<template>
    <div class="app-container">
        <mt-header fixed title="美然商城">
            <span slot="left" @click="goBack" v-show="flag">
                <mt-button icon="back">返回</mt-button>
            </span>
        </mt-header>
        <transition>
            <router-view></router-view>
        </transition>
        <nav class="mui-bar mui-bar-tab">
            <router-link class="mui-tab-item-lib" to="/home">
                <span class="mui-icon mui-icon-home"></span>
                <span class="mui-tab-label">首页</span>
            </router-link>
            <router-link class="mui-tab-item-lib" to="/member">
                <span class="mui-icon mui-icon-contact"></span>
                <span class="mui-tab-label">会员</span>
            </router-link>
            <router-link class="mui-tab-item-lib" to="/shopcar">
                <span class="mui-icon mui-icon-extra mui-icon-extra-cart"><span class="mui-badge" id="badge">{{ $store.getters.getNewCount }}</span></span>
                <span class="mui-tab-label">购物车</span>
            </router-link>
            <router-link class="mui-tab-item-lib" to="/search">
                <span class="mui-icon mui-icon-search"></span>
                <span class="mui-tab-label">搜索</span>
            </router-link>
        </nav>
    </div>
</template>
<script type="es6">
export default {
    data(){
        return {
            flag: false
        }
    },
    methods: {
        goBack() {
            this.$router.go(-1);
        }
    },
    watch: {
        '$route.path': function(newVal) {
            if(newVal == '/home') {
                this.flag = false;
            }else {
                this.flag = true;
            }
        }
    },
    created() {
        this.flag = this.$route.path == '/home'?false:true;
    }
}
</script>
<style lang="less" scoped>
.app-container {
    padding-top: 40px;
    padding-bottom: 65px;
    overflow-x: hidden;
}
    .v-enter {
        opacity: 0;
        transform: translateX(100%);
    }
    .v-leave-to {
        opacity: 0;
        transform: translateX(-100%);
        position: absolute;
    }
    .v-enter-active,.v-leave-active {
        transition: all 0.5s ease;
    }
.mui-bar-tab .mui-tab-item-lib.mui-active {
    color: #007aff;
}
.mui-bar-tab .mui-tab-item-lib {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.mui-bar-tab .mui-tab-item-lib {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
}
.mui-bar-tab .mui-tab-item-lib .mui-icon~.mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}
</style>